In order to enrich VoIP solution for enterprise, Essence Technology provides superior VoIP Gateway to connect IP PBX and traditional PBX. There are three series which listed as follows for satisfying customers.

It is intergrated Gateway and provides five standard configurations, such as 8 port FXS, 8 port FXO, 4 port FXS, 4 port FXO and 4 port FXS/FXO. EIG Series is for the telecom carriers to provide the residential telephony and fax services through the broadband networks.